发明名称 Galvanized steel for use in vehicle body
摘要 A galvanized steel plate for use in a vehicle body, having corrosion resistance and workability that are well-balanced and being suitable for outer plates of a vehicle body is provided. The plate includes a galvanized steel plate having a zinc coating plated on both surfaces thereof; a zinc phosphate coating layer formed on one of the surfaces of the plate that serves as an outer surface of a vehicle body; and a phosphate-containing composite coating formed on the other of the surfaces that serves as an inner surface of a vehicle body, the composite coating being composed of a zinc phosphate coating layer and a phosphate coating containing Mg. The phosphate-containing composite coating preferably contains 2 wt % or more of Mg, and is preferably applied in an amount greater than or equal to 0.5 g/m<2>.
申请公布号 US6623868(B1) 申请公布日期 2003.09.23
申请号 US20020129382 申请日期 2002.05.03
申请人 NIPPON STEEL CORPORATION 发明人 SHINDOU HIDETOSHI;ISIZUKA KIYOKAZU
分类号 C23C22/12;C23C2/26;C23C22/08;C23C22/36;C23C22/73;C23C28/00;(IPC1-7):B32B15/00;B32B15/04 主分类号 C23C22/12
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